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new(userspace/falco): handle SIGHUP and SIGINT in the main process not in the spawned threads (grpc server)

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Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
This commit is contained in:
Leonardo Di Donato 2019-09-16 05:22:14 +00:00 committed by Leo Di Donato
parent 3df53f6092
commit 21e588394f
1 changed files with 20 additions and 1 deletions
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21
userspace/falco/grpc_server.cpp
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@ -21,7 +21,8 @@ limitations under the License.
#else #else
#include <grpc++/grpc++.h> #include <grpc++/grpc++.h>
#endif #endif
#include <unistd.h> // sleep #include <signal.h> // pthread_sigmask
#include <unistd.h> // sleep, _exit
#include "logger.h" #include "logger.h"
#include "grpc_server.h" #include "grpc_server.h"
@ -188,8 +189,26 @@ void read(const std::string& filename, std::string& data)
return; return;
} }
extern "C" void handle_signal(int signum)
{
// todo > print "Got signal << sigenum << : exiting...");
exit(1);
}
void falco_grpc_server::run() void falco_grpc_server::run()
{ {
// Handle SIGHUP and SIGINT in the main process.
// Not in the spawned threads.
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGHUP);
sigaddset(&set, SIGINT);
pthread_sigmask(SIG_UNBLOCK, &set, nullptr);
struct sigaction action;
action.sa_handler = handle_signal;
sigaction(SIGHUP, &action, nullptr);
sigaction(SIGINT, &action, nullptr);
string private_key; string private_key;
string cert_chain; string cert_chain;
string root_certs; string root_certs;